Answer
(b)
Work Step by Step
The power is the probability of rejecting $H_0$ when the $H_a:\mu_A=1$ is true. Thus the answer is (b).
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 18 - Inference in Practice - Check Your Skills - Page 434: 18.26
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